期刊论文

Wu, Chuan

英文

Environmental Research

0013-9351

2017

156

2

23-30

10.1016/j.envres.2017.03.014

Financial support from the China Postdoctoral Science Foundation (No. 2016M590755), Youth Innovation Foundation of Shenzhen Polytechnic (No. 2013B030800001) and Research Fund for Teachers of Central South University, China (No. 2015JSJJ7) are gratefully acknowledged.

本校为其他机构

A mining district in south China shows significant metal(loid) contamination in paddy fields. In the soils, average Pb, Cd and As concentrations were 460.1, 11.7 and 35.1 mg kg −1 respectively, which were higher than the environmental quality standard for agricultural soils in China (GB15618-1995) and UK Clea Soil Guideline Value. The average contents of Pb, Cd and As in rice were 5.24, 1.1 and 0.7 mg kg −1 respectively, which were about 25, 4.5 or 2.5 times greater than the limit values of the maximum safe contaminant concentration standard ...